Self-contained pet cage with elevation stairs



FIG. 1 is a top, front, left perspective view of a self-contained pet cage with elevation stairs showing my new design;

FIG. 2 is a top, rear, right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view; and,

FIG. 8 is a left perspective view thereof with the stairs shown deployed.

The broken lines shown in the drawings depict portions of the self-contained pet cage with elevation stairs and environment that form no part of the claimed design. 

CLAIM The ornamental design for a self-contained pet cage with elevation stairs, as shown and described. 